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Recent Posts

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Hi George,

Will you be able to process requests for the knobs soon?

Many thanks,
Steve

2
Q & A / Re: Sunn Solarus lots of hum
« Last post by DoomSunn on October 01, 2020, 02:30:14 pm »
Did the replacement of the Can fix the hum? Just wondering what the fix was as
I have a similar issue in my amp.
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Q & A / Re: '69 sunn solarus issues (warning: long post)
« Last post by DoomSunn on October 01, 2020, 12:37:50 pm »
?A week later, it starts making this insane voltage sound (almost like the proton packs in the first ghostbusters movie), almost like a speaker is bad, and cuts out a bit soundwise. It over takes at least 75% of the sound.?

Did you find out what was causing this?


4
Q & A / Early vs. Later Tremolo Photocell Bug wiring?
« Last post by Watson on September 30, 2020, 10:13:14 am »
Can anyone shed any light on the two variants of the tremolo bug/roach wiring on the 100s/200s/S*** amps?  SUNN seems to have changed the design in 1968 or 1969.

I've attached the two versions on the wiring that I see on the various schematics.

Any insight into the change or timeline of the change would be appreciated!
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SUNN Sightings / Johnny Cash
« Last post by Watson on September 29, 2020, 08:05:31 am »
Johnny Cash...
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Classified / Re: Oct 2016 - New Rogan Plastics Sunn & Music Man Knobs 0-10 with screw
« Last post by Watson on September 24, 2020, 05:10:41 pm »
Please sign me up for 7 knobs. PM me please.
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Classified / Re: Oct 2016 - New Rogan Plastics Sunn & Music Man Knobs 0-10 with screw
« Last post by george on September 24, 2020, 03:48:24 pm »
I'm backkkk! I found the invoice from Rogan for the 500 unit build I did in 2008 - wow that was long ago. I also found about 30 knobs from that build so if you want any let me know they sure won't be $19 though.
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Classified / Sunn Vu Meter
« Last post by george on September 24, 2020, 03:31:37 pm »
Sunn VU meter in very good working condition with hardware - made in Japan probably from the 70's.

$25 obo plus shipping.
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Classified / Sunn Beta Lead Wanted!
« Last post by barcehc on September 21, 2020, 04:49:27 pm »
Hello)))!
I'm in search of a Sunn Beta Lead Head.
Please if you have one for sale get in n touch with me!
Thank you very much,
Enrico
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DIY / Re: Sentura II Restoration - Tremolo Bug/Roach Replacement Photocell
« Last post by Watson on September 15, 2020, 02:47:18 pm »
Had a few minutes and added a few more changes to the Sentura II schematic.  Just updated it to reflect the 3-prong wiring, updated the input jack wiring and added the mid-boost switch (3PST) in addition to the dual bias pots and probe points.

The 2nd attachment is the "corrected" Sentura II schematic I've been working from. 

I think I have the Sluckey bias mod changes correct now in the schematic (http://sluckeyamps.com/sunn/sunn.htm).  If anyone notices any errors please point them out.  Thanks in advance.

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